#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
char* a[] = { "BEIJING", "SHENZHEN", "SHANGHAI", "GUANGZHOU" };
char** pa[] = { a + 3, a + 2, a + 1, a };
char*** ppa = pa;
int main(void) {
	printf("%s, ", **++ppa);
	printf("%s, ", *-- * ++ppa + 3);
	printf("%s, ", *ppa[-2] + 3);
	printf("%s", ppa[-1][-1] + 1);
}